For/Loop within brackets causing syntax error?

Question

I'm getting an invalid syntax error on the "for account in accounts" loop, why?

Please help, I've been struggling with this for a bit now

app.send(
    functions.channels.InviteToChannel(
        channel=app.resolve_peer("xyz123"), 
        users=[
            for account in accounts:
                app.resolve_peer(accounts)
        ]
    )
)

[app.resolve_peer(accounts) for account in accounts] is a list comprehension, not a for-loop. You're confusing the two. A list comprehension is an expression which returns a list of some sort. A for-loop is a command, not an expression. — smci
– smci, Commented Aug 14, 2018 at 7:09

jh314 · Accepted Answer · 2018-08-14 07:10:44Z

2

You want to use list comprehension:

app.send(
    functions.channels.InviteToChannel(
        channel=app.resolve_peer("xyz123"), 
        users=[
            app.resolve_peer(account) for account in accounts     
        ]
    )
)

edited Aug 14, 2018 at 7:10

answered Aug 14, 2018 at 7:03

jh314

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4 Comments

ech0 Over a year ago

You have an extra colon at the end of your comprehension

donkopotamus Over a year ago

Presumably you mean app.resolve_peer(account), not app.resolve_peer(accounts)

jh314 Over a year ago

Yes that would make more sense :)

Sven Kahn Over a year ago

Thank you so much.

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